死亡的标准是心肺死亡。
参考答案：错
—Oh, come on. Just ___ . I’m very busy now!
--OK. To tell the truth, I need your help with my paper.
A．take your time
B．don’t hesitate
C．come to the point
D．take your turn
以下属于支线客机的有（）。
A.DH4
B.M82
C.SF3
D.YN7
